;;; mmexternal.el --- MIME entity module for external buffer
-;; Copyright (C) 1998,1999 Free Software Foundation, Inc.
+;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Keywords: MIME, multimedia, mail, news
(luna-define-method mime-entity-name ((entity mime-external-entity))
(concat "child of "
- (buffer-name
- (mime-entity-name
- (mime-entity-parent-internal entity)))))
-
-
-;; [tomo] We should think about modularity about header presentation...
-
-(defun mime-visible-field-p (field-name visible-fields invisible-fields)
- (or (catch 'found
- (while visible-fields
- (let ((regexp (car visible-fields)))
- (if (string-match regexp field-name)
- (throw 'found t)
- ))
- (setq visible-fields (cdr visible-fields))
- ))
- (catch 'found
- (while invisible-fields
- (let ((regexp (car invisible-fields)))
- (if (string-match regexp field-name)
- (throw 'found nil)
- ))
- (setq invisible-fields (cdr invisible-fields))
- )
- t)))
-
-(defun mime-insert-header-from-buffer (buffer start end
- &optional invisible-fields
- visible-fields)
- (let ((the-buf (current-buffer))
- (mode-obj (mime-find-field-presentation-method 'wide))
- field-decoder
- f-b p f-e field-name len field field-body)
- (save-excursion
- (set-buffer buffer)
- (save-restriction
- (narrow-to-region start end)
- (goto-char start)
- (while (re-search-forward std11-field-head-regexp nil t)
- (setq f-b (match-beginning 0)
- p (match-end 0)
- field-name (buffer-substring f-b p)
- len (string-width field-name)
- f-e (std11-field-end))
- (when (mime-visible-field-p field-name
- visible-fields invisible-fields)
- (setq field (intern
- (capitalize (buffer-substring f-b (1- p))))
- field-body (buffer-substring p f-e)
- field-decoder (inline (mime-find-field-decoder-internal
- field mode-obj)))
- (with-current-buffer the-buf
- (insert field-name)
- (insert (if field-decoder
- (funcall field-decoder field-body len)
- ;; Don't decode
- field-body))
- (insert "\n")
- )))))))
-
-(luna-define-method mime-insert-header ((entity mime-external-entity)
- &optional invisible-fields
- visible-fields)
- (mime-insert-header-from-buffer
- (mime-entity-body-buffer (mime-entity-parent-internal entity))
- (mime-entity-body-start-point (mime-entity-parent-internal entity))
- (mime-entity-body-end-point (mime-entity-parent-internal entity))
- invisible-fields visible-fields))
+ (mime-entity-name
+ (mime-entity-parent-internal entity))))
+
+
+(defun mmexternal-require-file-name (entity)
+ (condition-case nil
+ (or (mime-external-entity-body-file-internal entity)
+ (let* ((ct (mime-entity-content-type
+ (mime-entity-parent-internal entity)))
+ (access-type
+ (mime-content-type-parameter ct "access-type")))
+ (if (and access-type
+ (string= access-type "anon-ftp"))
+ (let ((site (mime-content-type-parameter ct "site"))
+ (directory
+ (mime-content-type-parameter ct "directory"))
+ (name (mime-content-type-parameter ct "name")))
+ (mime-external-entity-set-body-file-internal
+ entity
+ (expand-file-name
+ name
+ (concat "/anonymous@" site ":"
+ (file-name-as-directory directory))))))))
+ (error (message "Can't make file-name of external-body."))))
+
+(defun mmexternal-require-buffer (entity)
+ (unless (and (mime-external-entity-body-buffer-internal entity)
+ (buffer-live-p
+ (mime-external-entity-body-buffer-internal entity)))
+ (condition-case nil
+ (progn
+ (mmexternal-require-file-name entity)
+ (mime-external-entity-set-body-buffer-internal
+ entity
+ (with-current-buffer (get-buffer-create
+ (concat " *Body of "
+ (mime-entity-name entity)
+ "*"))
+ (insert-file-contents-as-binary
+ (mime-external-entity-body-file-internal entity))
+ (current-buffer))))
+ (error (message "Can't get external-body.")))))
+
+
+;;; @ entity
+;;;
+(luna-define-method mime-insert-entity ((entity mime-external-entity))
+ (mime-insert-entity-body (mime-entity-parent-internal entity))
+ (insert "\n")
+ (mime-insert-entity-body entity))
-(luna-define-method mime-entity-content ((entity mime-external-entity))
- (let ((buf (mime-entity-body-buffer entity)))
- (if buf
- (with-current-buffer buf
- (mime-decode-string
- (buffer-string)
- (mime-entity-encoding entity)))
- (message "Cannot get external content")
- nil)))
+(luna-define-method mime-write-entity ((entity mime-external-entity) filename)
+ (with-temp-buffer
+ (mime-insert-entity entity)
+ (write-region-as-raw-text-CRLF (point-min) (point-max) filename)))
-(luna-define-method mime-entity-fetch-field :around
- ((entity mime-external-entity) field-name)
- (or (luna-call-next-method)
- (save-excursion
- (mime-goto-body-start-point (mime-entity-parent-internal entity))
- (save-restriction
- (narrow-to-region
- (point)
- (mime-entity-body-end-point (mime-entity-parent-internal entity)))
- (let ((ret (std11-fetch-field field-name)))
- (when ret
- (or (symbolp field-name)
- (setq field-name
- (intern (capitalize (capitalize field-name)))))
- (mime-entity-set-original-header-internal
- entity
- (put-alist field-name ret
- (mime-entity-original-header-internal entity)))
- ret))))))
-(luna-define-method mime-insert-entity-content ((entity mime-external-entity))
- (insert
- (with-current-buffer (mime-external-entity-body-buffer-internal entity)
- (mime-decode-string
- (buffer-string)
- (mime-entity-encoding entity)))))
-
-(mm-define-method write-entity-content ((entity buffer) filename)
- (save-excursion
- (set-buffer (mime-external-entity-buffer-internal entity))
- (mime-write-decoded-region (mime-external-entity-body-start-internal entity)
- (mime-external-entity-body-end-internal entity)
- filename
- (or (mime-entity-encoding entity) "7bit"))
- ))
+;;; @ entity header
+;;;
-(mm-define-method insert-entity ((entity buffer))
- (insert-buffer-substring (mime-external-entity-buffer-internal entity)
- (mime-external-entity-header-start-internal entity)
- (mime-external-entity-body-end-internal entity))
- )
-(mm-define-method write-entity ((entity buffer) filename)
- (save-excursion
- (set-buffer (mime-external-entity-buffer-internal entity))
- (write-region-as-raw-text-CRLF
- (mime-external-entity-header-start-internal entity)
- (mime-external-entity-body-end-internal entity)
- filename)
- ))
-
-(mm-define-method write-entity-body ((entity buffer) filename)
- (save-excursion
- (set-buffer (mime-external-entity-buffer-internal entity))
- (write-region-as-binary (mime-external-entity-body-start-internal entity)
- (mime-external-entity-body-end-internal entity)
- filename)
- ))
-
-
-;;; @ header buffer
+;;; @ entity body
;;;
-(luna-define-method mime-entity-header-buffer ((entity mime-external-entity))
- (mime-entity-body-buffer (mime-entity-parent-internal entity)))
-
-(luna-define-method mime-goto-header-start-point ((entity
- mime-external-entity))
- (mime-goto-body-start-point (mime-entity-parent-internal entity)))
+(luna-define-method mime-entity-body ((entity mime-external-entity))
+ (mmexternal-require-buffer entity)
+ (with-current-buffer (mime-external-entity-body-buffer-internal entity)
+ (buffer-string)))
-(luna-define-method mime-entity-header-start-point ((entity
- mime-external-entity))
- (mime-entity-body-start-point (mime-entity-parent-internal entity)))
+(luna-define-method mime-insert-entity-body ((entity mime-external-entity))
+ (mmexternal-require-buffer entity)
+ (insert-buffer-substring
+ (mime-external-entity-body-buffer-internal entity)))
-(luna-define-method mime-entity-header-end-point ((entity
- mime-external-entity))
- (mime-entity-body-end-point (mime-entity-parent-internal entity)))
+(luna-define-method mime-write-entity-body ((entity mime-external-entity)
+ filename)
+ (mmexternal-require-buffer entity)
+ (with-current-buffer (mime-external-entity-body-buffer-internal entity)
+ (write-region-as-binary (point-min) (point-max) filename)))
-;;; @ body buffer
+;;; @ entity content
;;;
-(luna-define-method mime-entity-body-buffer ((entity mime-external-entity))
- (or (mime-external-entity-body-buffer-internal entity)
- (let* ((ct
- (mime-entity-content-type (mime-entity-parent-internal entity))))
- (if (string= (mime-content-type-parameter ct "access-type")
- "anon-ftp")
- (let* ((site (mime-content-type-parameter ct "site"))
- (directory (mime-content-type-parameter ct "directory"))
- (name (mime-content-type-parameter ct "name"))
- (pathname
- (expand-file-name
- name (concat "/anonymous@" site ":" directory)))
- (buf (create-file-buffer pathname)))
- (condition-case nil
- (with-current-buffer buf
- (insert-file-contents-as-binary pathname)
- (mime-external-entity-set-body-buffer-internal
- entity buf))
- (error (message "Cannot open external buffer")))
- buf)))))
-
-(luna-define-method mime-goto-body-start-point ((entity mime-external-entity))
- (set-buffer (mime-entity-body-buffer entity))
- (goto-char (point-min)))
-
-(luna-define-method mime-goto-body-end-point ((entity mime-external-entity))
- (set-buffer (mime-entity-body-buffer entity))
- (goto-char (point-max)))
-
-(luna-define-method mime-entity-body-start-point ((entity
- mime-external-entity))
- (with-current-buffer (mime-entity-body-buffer entity)
- (point-min)))
-
-(luna-define-method mime-entity-body-end-point ((entity mime-external-entity))
- (with-current-buffer (mime-entity-body-buffer entity)
- (point-max)))
-
-
-;;; @ buffer (obsolete)
-;;;
+(luna-define-method mime-entity-content ((entity mime-external-entity))
+ (let ((ret (mime-entity-body entity)))
+ (if ret
+ (mime-decode-string ret (mime-entity-encoding entity))
+ (message "Cannot get content")
+ nil)))
+
+(luna-define-method mime-insert-entity-content ((entity mime-external-entity))
+ (insert (mime-entity-content entity)))
+
+(luna-define-method mime-write-entity-content ((entity mime-external-entity)
+ filename)
+ (mmexternal-require-buffer entity)
+ (with-current-buffer (mime-external-entity-body-buffer-internal entity)
+ (mime-write-decoded-region (point-min) (point-max)
+ filename
+ (or (mime-entity-encoding entity) "7bit"))))
+
-(luna-define-method mime-entity-buffer ((entity mime-external-entity))
- (mime-entity-body-buffer entity))
+;;; @ header field
+;;;
-(luna-define-method mime-entity-point-min ((entity mime-external-entity))
- (mime-entity-body-start-point entity))
+(luna-define-method mime-entity-fetch-field :around
+ ((entity mime-external-entity) field-name)
+ (or (luna-call-next-method)
+ (with-temp-buffer
+ (mime-insert-entity-body (mime-entity-parent-internal entity))
+ (let ((ret (std11-fetch-field field-name)))
+ (when ret
+ (or (symbolp field-name)
+ (setq field-name
+ (intern (capitalize (capitalize field-name)))))
+ (mime-entity-set-original-header-internal
+ entity
+ (put-alist field-name ret
+ (mime-entity-original-header-internal entity)))
+ ret)))))
-(luna-define-method mime-entity-point-max ((entity mime-external-entity))
- (mime-entity-body-end-point entity))
+(luna-define-method mime-insert-header ((entity mime-external-entity)
+ &optional invisible-fields
+ visible-fields)
+ (let ((the-buf (current-buffer))
+ buf p-min p-max)
+ (with-temp-buffer
+ (mime-insert-entity-body (mime-entity-parent-internal entity))
+ (setq buf (current-buffer)
+ p-min (point-min)
+ p-max (point-max))
+ (set-buffer the-buf)
+ (mime-insert-header-from-buffer buf p-min p-max
+ invisible-fields visible-fields))))
;;; @ end
projects / elisp / flim.git / blobdiff